SpritesMind.Net

danibus wrote: Fri Sep 11, 2026 9:55 pm New game always good news

What is "arena"?

Oh, I used Arena.ai in Agent mode:
https://arena.ai/agent

This is a very early W.I.P. vibe-port of Jazz Jackrabbit to run as a Sega Genesis / Mega Drive ROM, created using Arena and polished using Claude.

Github repo: https://github.com/haroldo-ok/jazz-jackrabbit-for-sega-genesis
Itch.io page: https://haroldo-ok.itch.io/jazz-jackrabbit-genesis
Youtube ...

This is a vibe-port experiment where I'm trying to port the game "God of Thunder" from MS-DOS to Sega Genesis / Mega Drive.

Repository of the Sega Genesis port: https://github.com/haroldo-ok/god-of-thunder-genesis
Itch.io page: https://haroldo-ok.itch.io/god-of-thunder-for-sega-genesis
Source code ...

This is a W.I.P. vibe-port experiment converting Mark Mackey's XQuest 2 from MS-DOS to Sega Genesis / Megadrive, using Claude.

Github repo: https://github.com/haroldo-ok/xquest2-md/tags
Page on itch.io: https://haroldo-ok.itch.io/xquest-2-md

https://img.itch.zone ...

In theory, yes; it would require some experimentation to see how often that update can be performed per frame

Bugfixes since 0.4.0:
- Fixed bug that happened when the background filenames had special chars;
- Fixed repeated variable names when using similar file names: where both 1chr1v1.png and #1chr1v1.png used to produce the same variable name, causing compilation errors;
- Fixed a bug where the ...

Version 0.3.0 adds a flag to skip conversion if the files are unchanged.

Version 0.2.0 refactors the video player into a SGDK-compatible C library.

Hello, again!

Version 0.1.0 refactors the disparate conversion scripts into a single coherent CLI.

To install:

npm install -g sgdk-video-player


How to use:

sgdk-video-player convert <src> <resDir>

Converts a video file and outputs the result in the resource directory

Positionals:
src The ...

Version 0.0.8 uses a newer version of "rgbquant-sms", that allows for faster encoding and much less RAM usage.

I made a few experiments with multi-frame merging, but it's still too slow and glitchy to be useful; branch with multi-frame merging experiment: https://github.com/haroldo-ok/sgdk-video ...

Version v0.0.6 adds sound support, through SGDK's ADPCM driver.

ROM for version 0.0.6: https://github.com/haroldo-ok/sgdk-vide ... .6.bin.zip
Youtube video: https://www.youtube.com/watch?v=nsEKKbMpXrw

Chilly Willy wrote: Mon Aug 14, 2023 11:19 pm Pretty cool. Not bad for an old 68000 and 16 color tile graphics.

Thanks!

Version 0.0.5 adds support for 320x224 resolution while not increasing the final compressed size very much.

Demo ROM for 0.0.5: https://github.com/haroldo-ok/sgdk-vide ... .5.bin.zip
Video on youtube: https://www.youtube.com/watch?v=gOZ-zpa7Tj8

Well while the MD CPU has twice the clock of the SNES one, the SNES CPU instructions take two times less clock cycles to perform the same instructions, which kinda evens things up from that angle. What really makes the MD faster is the data bus; while both use 16 bits CPU, the MD has a 16 bit data ...

Version 0.0.3 uses RgbQuant-SMS to reduce the tile count of each individual frame.

Demo ROM for 0.0.3: https://github.com/haroldo-ok/sgdk-vide ... .3.bin.zip
Youtube: https://www.youtube.com/watch?v=jnc3Tlc4bOc